Home / 56,104,490-77,423,441.28-31,325,057.48

Finding the Fourth Proportional to 56,104,490, 77,423,441.28 and 31,325,057.48

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Solution

The fourth proportional to 56,104,490, 77,423,441.28 and 31,325,057.48 is: 43,228,157.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,104,490 : 77,423,441.28 = 31,325,057.48 : x
  2. Step 2: Convert to fraction form
    56,104,490/77,423,441.28 = 31,325,057.48/x
  3. Step 3: Cross multiply
    56,104,490x = 77,423,441.28 × 31,325,057.48
  4. Step 4: Simplify right side
    56,104,490x = 2,425,293,748,395,405
  5. Step 5: Solve for x
    x = 2,425,293,748,395,405/56,104,490
  6. Step 6: Final answer
    x = 43,228,157.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.